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Finding the Fourth Proportional to 106,118.66, 146,464.54 and 60,826.97

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Solution

The fourth proportional to 106,118.66, 146,464.54 and 60,826.97 is: 83,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,118.66 : 146,464.54 = 60,826.97 : x
  2. Step 2: Convert to fraction form
    106,118.66/146,464.54 = 60,826.97/x
  3. Step 3: Cross multiply
    106,118.66x = 146,464.54 × 60,826.97
  4. Step 4: Simplify right side
    106,118.66x = 8,908,993,570.87
  5. Step 5: Solve for x
    x = 8,908,993,570.87/106,118.66
  6. Step 6: Final answer
    x = 83,953.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.